playcanvas/build/playcanvas.dbg/src/framework/handlers/scene-utils.js

PlayCanvas WebGL game engine

import { http } from '../../platform/net/http.js';

class SceneUtils {
    /**
     * Loads the scene JSON file from a URL.
     *
     * @param {string} url - URL to scene JSON.
     * @param {number} maxRetries - Number of http load retry attempts.
     * @param {Function} callback - The callback to the JSON file is loaded.
     */ static load(url, maxRetries, callback) {
        if (typeof url === 'string') {
            url = {
                load: url,
                original: url
            };
        }
        http.get(url.load, {
            retry: maxRetries > 0,
            maxRetries: maxRetries
        }, (err, response)=>{
            if (!err) {
                callback(err, response);
            } else {
                let errMsg = `Error while loading scene JSON ${url.original}`;
                if (err.message) {
                    errMsg += `: ${err.message}`;
                    if (err.stack) {
                        errMsg += `\n${err.stack}`;
                    }
                } else {
                    errMsg += `: ${err}`;
                }
                callback(errMsg);
            }
        });
    }
}

export { SceneUtils };